P 7050

Technical specification
Submersible pump P 7050, 50 Hz

P 7050
Product
Axial-flow pump for transportation of large volumes of water, containing
minimum debris and fibres, at low heads.
Denomination
Product code 7050/680
Installation L
Process data
Liquid temperature max +40 °C
Depth of immersion max 20 m
The pH of the pumped liquid pH 6 - 11
Liquid density max. 1100 kg/m 3
Pump (ball-) throughlet max. 80 mm
Motor data
Frequency 50 Hz
Insulation class
Voltage variation
H (+180 °C)
- continuously running max ± 5%
- intermittent running max ± 10%
Voltage imbalance between phases max 2%
No. of starts/hour max 15
Cable
SUBCAB® To be dimensioned by ITT Flygt
Monitoring equipment
Thermal contacts opening temperature 140 °C
2
Material
P 7050
Pump housing Cast iron
Stator housing Cast iron
O-rings Nitrile rubber
Propeller
Alternative Material
1 Aluminium bronze
2 Stainless steel
Mechanical face seals
Alternative Inner seal Outer seal
1 Corrosion resistant
cemented carbide/
Corrosion resistant
cemented carbide
Shaft
Alternative Material
1 Steel
2 Stainless steel
Surface Treatment
All castings sprayed with primer. The finishing coat is a gray chlorinated
rubber paint.
Weight
Excluding power cable, including drive unit.
Drive unit Installation
L
680
1)
stator 35-24-XX
1) 730 kg
680 2) 750 kg
2) stator 35-28-XX
Option
Analogue temperature sensor in main bearing Pt100
Leakage sensor in stator housing FLS
Leakage sensor in oil housing CLS
Other cables
Surface treatment Epoxy treatment
Zinc anodes
Leakage sensor in junction box
Accessories
Corrosion resistant
cemented carbide/
Corrosion resistant
cemented carbide
Discharge connections, adapters, hose connections and other
mechanical accessories.
Electrical accessories such as pump controller, control panels, starters,
monitoring relays.
See separate booklet or www.flygt.com, for further information.

Motor rating and performance curve
Curve/Impeller No
Drive unit
Rated power, kW
Rated current, A
400 V, 50 Hz, 3 ~, 730 r/min
Dimensional drawing
All drawings are available as Acrobat documents (.pdf)
and AutoCad drawings (.dwg). Download the drawings
from www.flygt.com or contact your ITT Flygt
representative for more information.
All dimensions are in mm.
Starting current, A
Power factor cos ϕ
725 680 27 56 293 0,80
725 680 37 77 380 0,80
400 V, 50 Hz, 3 ~, 970 r/min
970 680 45 85 475 0,88
400 V, 50 Hz, 3 ~, 965 r/min
970 680 55 104 515 0,89
Ex proof version available
3
H (m)
9,0
8,0
7,0
6,0
5,0
4,0
3,0
2,0
1,0
0
0
200
970
725
P 7050
300 400 500 600 700 800 900 Q (l/s)

www.flygt.com P7050.50Hz.04.01.EN.FIN.09.04 © ITT Flygt AB 895124